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The astronomer said it was a “big deal” as “this is just the second asteroid known to orbit Earth [after 2006 RH120, which was also discovered by the Catalina Sky Survey].”
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zona on the night of February 15. “BIG NEWS. Earth has a new temporarily captured object/Possible mini-moon called 2020 CD3,” likely to be a C-type asteroid, Mr. Wierzchos tweeted on Wednesday. <span>The astronomer said it was a “big deal” as “this is just the second asteroid known to orbit Earth [after 2006 RH120, which was also discovered by the Catalina Sky Survey].” Its route suggests it entered Earth's orbit three years ago, he said. The Smithsonian Astrophysical Observatory's Minor Planet Center, which collects data on minor planets and asteroids


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